1424047643 has 2 divisors, whose sum is σ = 1424047644. Its totient is φ = 1424047642.

The previous prime is 1424047637. The next prime is 1424047657. The reversal of 1424047643 is 3467404241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1424047643 - 2⁶ = 1424047579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1424047673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712023821 + 712023822.

It is an arithmetic number, because the mean of its divisors is an integer number (712023822).

Almost surely, 2^1424047643 is an apocalyptic number.

1424047643 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424047643 is an equidigital number, since it uses as much as digits as its factorization.

1424047643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 1424047643 is about 37736.5557914339. Note that the first 3 decimals coincide. The cubic root of 1424047643 is about 1125.0578124694.

The spelling of 1424047643 in words is "one billion, four hundred twenty-four million, forty-seven thousand, six hundred forty-three".